Costal is a term in human anatomy used to describe structures located near the ribs. The bony part of the rib, called the rib, contains important structures such as nerve, artery and vein that provide blood and nerve supply to the chest.
Depending on the area of the body where the bone is located, there may be different meanings for the costal region. For example, the bone structures of the costal arch and rib joint in the chest and the musculoskeletal structures of the abdominal press also have their own names. Each name may hide a very complex system of connective tissues and muscles, and to be a qualified surgeon